TEPCat: Kepler-44


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-44. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012A+A...538A..96B  
Date of discovery paper 2011 / 10 / 25 y / m / d
Right ascension 20 00 24.56 h m s
Declination +45 45 43.7 d m s
V-band apparent magnitude 14.89 mag
K-band apparent magnitude 12.88 mag
Transit duration 0.1302
( 3.125 )
day
hour
Transit depth 0.75 %
Time of mid-transit   2455187.15640 ± 0.00021     HJD or BJD
Orbital period 3.2467293 ± 0.0000030 days
Reference for orbital ephemeris   2015A+A...575A..85B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5800 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.15 ± 0.10 dex
Stellar mass 1.12 ± 0.08   Msun
Stellar radius 1.35 ± 0.08 Rsun
Stellar logarithmic surface gravity 4.22 ± 0.04 c.g.s.
Stellar mean density 0.45 ± 0.07
( 0.635 ± 0.099 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0446 ± 0.0011  AU
Planetary mass 1.00 ± 0.10
( 317 ± 31 )
Mjup
Mearth
Planetary radius 1.09 ± 0.07
( 12.22 ± 0.78 )
Rjup
Rearth
Planetary surface gravity 20.5 +3.0 −2.6
3.31 +0.06 −0.06
m/s2
log(cgs)
Planetary mean density 0.70 +0.14 −0.13
( 0.93 +0.19 −0.17 )
ρjup
g cm-3
Planetary equilibrium temperature 1544 ± 47 K
Reference of detailed study 2015A+A...575A..85B  

 

Kepler-44 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-44 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/15           John Southworth   (Keele University, UK)